These entries are queried from radb.net using whois, you can try my project getting these.
:AS328103 route: 196.223.253.0/24 origin: AS328103 mnt-by: SAFARICOM-33771-MNT created: 2016-12-01T13:29:07Z last-modified: 2018-09-04T18:35:19Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.223.253.0/24 descr: Safaricom Via EMIX origin: AS328103 notify: noc [at] emix.net.ae mnt-by: MAINT-AS8966 changed: noc [at] emix.net.ae 20161201 #13:53:01Z source: RADB last-modified: 2023-11-13T15:50:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source